A 2,300-kg truck is traveling down a highway at 32 m/s. What is the kinetic energy of the truck?

A. 1,200 J

B. 37,000 J

C. 1,200,000 J

D. 37 J

2. Two identical conducting spheres are placed with their centers 0.30 m apart. One is given a charge of 12 x 10-9 C and the other is given a charge of - 18 x 10-9 C. a. Find the electric force exerted on one sphere by the other. b.

What is the average speed of the swimmer between the times t=0 st=0/text{ s} t=0 s t, equals, 0, start text, space, s, end text and t=8 st=8/text{ s} t=8 s t, equals, 8, start text, space, s, end text?

Low-frequency red light is used in dark rooms because it does not expose the film. This is because the red light has a low

Why is it that a football does not stay in motion at a constant speed when thrown, as the First Law of Motion suggests that it would? 1) Air resistance and acceleration 2) Gravity and mass 3) Distance, mass and gravity 4) Air resistance and gravity

A wheelbarrow is an example of what type of lever

The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. A beam of white light in this glass strikes the glass-air interface at a 25.50∘ angle of incidence and refracts out into the air.

13. A car accelerates from 6.0 m/s to 18 m/s at a rate of 3.0 m/s^2 How far does it travel while accelerating?

Which of the following is not a prediction of General Relativity? (A) gravitational waves (B) spacetime is distorted by mass and energy (C) light can be bent and shifted in frequency by gravity (D) planetary orbits are elliptical

A thin film of MgF₂ (n = 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nm and 625 nm. What is the thinnest film for which this can occur?

An elevator (mass 4100 kg) is to be designed so that the maximum acceleration is 0.0400g. what is the maximum force the motor should exert on the supporting cable? incorrect: your answer is incorrect.